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Do I have a LS6 intake?

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Old 05-05-2009, 03:21 PM
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Default Do I have a LS6 intake?

I am confused about this one. Some says I already have a LS6 intake and other say I should get one.

I have a 2004 LS1 Gto engine.
Can someone confirm if I can gain anything by getting a LS6 intake manifold? or not?
Old 05-05-2009, 03:27 PM
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If no one changed it then yes your car came from the factory with a LS6 intake
Old 05-05-2009, 03:29 PM
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I know the F body used the LS6 intake from 01 and up. Look at your throttle body and see if it has 3 or 4 bolts. If it is 3, I'm sure its an LS6. I can get you a part number in really short order...
Old 05-05-2009, 03:30 PM
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12573572 or 88894339
Old 05-05-2009, 03:38 PM
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Thanks alot I will check the part # tomorow
Old 05-05-2009, 06:47 PM
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Yes...
Old 05-05-2009, 07:09 PM
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Originally Posted by Z28/2002
If no one changed it then yes your car came from the factory with a LS6 intake
exactly x2
Old 05-06-2009, 11:50 AM
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Originally Posted by deadhorse66
I know the F body used the LS6 intake from 01 and up. Look at your throttle body and see if it has 3 or 4 bolts. If it is 3, I'm sure its an LS6. I can get you a part number in really short order...
LS1 TB's also used 3 bolts. But yes, no GTO ever came with an LS1 intake.
Old 05-06-2009, 05:56 PM
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You have it. I'm pretty sure they stopped putting the ls1 intake on cars after 2000.
Old 05-06-2009, 05:58 PM
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if it is truly out of a gto and hasnt been changed then it is an ls6, but the easiest way to tell is if it has the EGR provision on the neck of the intake right behind where the TB would go, ls1's have it, ls6's do not
Old 05-06-2009, 07:15 PM
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Originally Posted by 78novacaine
if it is truly out of a gto and hasnt been changed then it is an ls6, but the easiest way to tell is if it has the EGR provision on the neck of the intake right behind where the TB would go, ls1's have it, ls6's do not

A bad way to tell... 97-00 Corvettes did not have EGR.
Old 05-07-2009, 12:47 AM
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Originally Posted by Mean87SS
A bad way to tell... 97-00 Corvettes did not have EGR.
really? i have never heard that, i thought all ls1 intakes had the EGR provisions
Old 05-07-2009, 01:03 AM
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Originally Posted by 78novacaine
really? i have never heard that, i thought all ls1 intakes had the EGR provisions

Yes. No C5 corvette came egr equipped.
Old 05-07-2009, 02:51 AM
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Originally Posted by Mean87SS
Yes. No C5 corvette came egr equipped.
thanks, guess you learn something new every day




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